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Additional Pictures 

 

The backside of the TI-18 gives
a simple construction.

The front of the printed
circuit board (PCB) with
a NEC calculator chip.

The PCB of the TI-1744 is
more or less identical with
the TI-18 on the left.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, October 18, 2004. No reprints without written permission.